2016-12-29 07:49:51 +09:00
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/**
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* Module dependencies
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*/
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2017-03-09 03:50:09 +09:00
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import $ from 'cafy';
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2018-03-29 20:32:18 +09:00
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import User from '../../../../../models/user';
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import Following from '../../../../../models/following';
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2016-12-29 07:49:51 +09:00
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/**
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* Aggregate followers of a user
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*
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2017-03-01 17:37:01 +09:00
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* @param {any} params
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* @return {Promise<any>}
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2016-12-29 07:49:51 +09:00
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*/
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2017-03-04 04:28:38 +09:00
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module.exports = (params) => new Promise(async (res, rej) => {
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2018-03-29 14:48:47 +09:00
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// Get 'userId' parameter
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const [userId, userIdErr] = $(params.userId).id().$;
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if (userIdErr) return rej('invalid userId param');
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2016-12-29 07:49:51 +09:00
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// Lookup user
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const user = await User.findOne({
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2017-03-03 19:52:36 +09:00
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_id: userId
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2017-02-22 13:08:33 +09:00
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}, {
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fields: {
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_id: true
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}
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2016-12-29 07:49:51 +09:00
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});
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if (user === null) {
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return rej('user not found');
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}
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const startTime = new Date(new Date().setMonth(new Date().getMonth() - 1));
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const following = await Following
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.find({
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2018-03-29 14:48:47 +09:00
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followeeId: user._id,
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2016-12-29 07:49:51 +09:00
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$or: [
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2018-03-29 14:48:47 +09:00
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{ deletedAt: { $exists: false } },
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{ deletedAt: { $gt: startTime } }
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2016-12-29 07:49:51 +09:00
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]
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}, {
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2018-03-29 20:32:18 +09:00
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sort: { createdAt: -1 },
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fields: {
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_id: false,
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followerId: false,
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followeeId: false
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}
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2017-01-17 11:11:22 +09:00
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});
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2016-12-29 07:49:51 +09:00
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const graph = [];
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for (let i = 0; i < 30; i++) {
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let day = new Date(new Date().setDate(new Date().getDate() - i));
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day = new Date(day.setMilliseconds(999));
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day = new Date(day.setSeconds(59));
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day = new Date(day.setMinutes(59));
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day = new Date(day.setHours(23));
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// day = day.getTime();
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const count = following.filter(f =>
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2018-03-29 14:48:47 +09:00
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f.createdAt < day && (f.deletedAt == null || f.deletedAt > day)
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2016-12-29 07:49:51 +09:00
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).length;
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graph.push({
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date: {
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year: day.getFullYear(),
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month: day.getMonth() + 1, // In JavaScript, month is zero-based.
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day: day.getDate()
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},
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count: count
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});
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}
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res(graph);
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});
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